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eneath that layer, there is the which is a semi-dense connective tissue that has a lot of and nerve fibers. he third histological layer, called the is involved with gastric motility. Throughout the "tube", it has two layers: a layer and a circular layer. he fourth histological layer is called the layer. It is a fibrous connective tissue layer that supports the other three layers and loosely onnects the "tube" to the abdominopelvic cavity.

eneath that layer, there is the which is a semi-dense connective tissue that has a lot of and nerve fibers. he third histological layer, called the is involved with gastric motility. Throughout the "tube", it has two layers: a layer and a circular layer. he fourth histological layer is called the layer. It is a fibrous connective tissue layer that supports the other three layers and loosely onnects the "tube" to the abdominopelvic cavity.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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vasculature submucosa muscularis externa muscularis mucosae accessory organs chemical digestion epithelial longitudinal mechanical digestion mucous alimentary canal mucosa serosa mechanical digestion is the process of physically breaking apart food in order to increase its surface area. chemical digestion is the process of enzymatically breaking down nutrient polymers into monomers The digestive system is made up of a series of organs that together form a long tube called the alimentary canal Additional structures called accessory organs provide assistance in digesting the food passing through the tube, although these structures themselves are not tube-shaped. The organs making-up the "tube" share a similar histology. The muscularis mucosae is the tissue layer that comes in contact with the food passing through the lumen of the tube, and is responsible for absorbing nutrients. Because it is considered an "exterior surface", its surface is an submucosa layer. It contains a lot of vasculature cells that produce mucus. The mucus helps the food slide along the digestive tract. Beneath this top layer, there is a lamina propria layer, and then a muscularis externa layer that moves the mucosa layer. (It is not strong enough to be involved in peristalisis.) Beneath that layer, there is the , which is a semi-dense connective tissue that has a lot of and nerve fibers. The third histological layer, called the is involved with gastric motility. Throughout the "tube", it has two layers: a layer and a circular layer. The fourth histological layer is called the layer. It is a fibrous connective tissue layer that supports the other three layers and loosely connects the "tube" to the abdominopelvic cavity.
Transcribed Image Text:vasculature submucosa muscularis externa muscularis mucosae accessory organs chemical digestion epithelial longitudinal mechanical digestion mucous alimentary canal mucosa serosa mechanical digestion is the process of physically breaking apart food in order to increase its surface area. chemical digestion is the process of enzymatically breaking down nutrient polymers into monomers The digestive system is made up of a series of organs that together form a long tube called the alimentary canal Additional structures called accessory organs provide assistance in digesting the food passing through the tube, although these structures themselves are not tube-shaped. The organs making-up the "tube" share a similar histology. The muscularis mucosae is the tissue layer that comes in contact with the food passing through the lumen of the tube, and is responsible for absorbing nutrients. Because it is considered an "exterior surface", its surface is an submucosa layer. It contains a lot of vasculature cells that produce mucus. The mucus helps the food slide along the digestive tract. Beneath this top layer, there is a lamina propria layer, and then a muscularis externa layer that moves the mucosa layer. (It is not strong enough to be involved in peristalisis.) Beneath that layer, there is the , which is a semi-dense connective tissue that has a lot of and nerve fibers. The third histological layer, called the is involved with gastric motility. Throughout the "tube", it has two layers: a layer and a circular layer. The fourth histological layer is called the layer. It is a fibrous connective tissue layer that supports the other three layers and loosely connects the "tube" to the abdominopelvic cavity.
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